The Military Sealift Command mobile landing ship USNS John Glenn (MLP 2) underway off the California coast, Jan 9. John Glenn successfully completed Builder’s Sea Trials on Jan. 13. The ship is expected to be delivered to the Navy in March following Acceptance Trails. (U.S. Navy photo/Released)

Upon delivery to the U.S. Navy’s Military Sealift Command, John Glenn will be designated as a United States Naval Ship (USNS), and will have a core crew of 34 civilian mariners who will operate and navigate the ship.